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Significant challenges remain for realizing precise positioning and velocity estimation in perceptive vehicular networks (PVN) enabled by the emerging integrated sensing and communication technology. First, complicated wireless propagation…

信号处理 · 电气工程与系统科学 2024-09-04 Xiao-Yang Wang , Shaoshi Yang , Jianhua Zhang , Christos Masouros , Ping Zhang

Electronic Phased-Array Radars offer new possibilities for Optimization of Radar Search Pattern by using bi-dimensional beam forming and beam steering, along both elevation and azimuth axes. The minimization of the Time-Budget required for…

最优化与控制 · 数学 2025-08-05 Yann Briheche , Frédéric Barbaresco , Fouad Bennis , Damien Chablat

We study a family of loss functions named label-distributionally robust (LDR) losses for multi-class classification that are formulated from distributionally robust optimization (DRO) perspective, where the uncertainty in the given label…

机器学习 · 计算机科学 2023-06-29 Dixian Zhu , Yiming Ying , Tianbao Yang

Space-time adaptive processing (STAP) algorithms with coprime arrays can provide good clutter suppression potential with low cost in airborne radar systems as compared with their uniform linear arrays counterparts. However, the performance…

信号处理 · 电气工程与系统科学 2020-01-07 X. Wang , Z. Yang , J. Huang , R. C. de Lamare

A widely-distributed radar system is a promising architecture to enhance radar imaging performance. However, most existing algorithms rely on isotropic scattering assumption, which is only satisfied in collocated radar systems. Moreover,…

信号处理 · 电气工程与系统科学 2020-11-10 Ruizhi Hu , Bhavani Shankar Mysore Rama Rao , Ahmed Murtada , Mohammad Alaee-Kerahroodi , Björn Ottersten

Automotive radars are increasingly susceptible to mutual interference from neighboring radar systems, which can lead to false target detections and the masking of valid targets. While current interference levels remain manageable due to the…

信号处理 · 电气工程与系统科学 2026-05-22 Oren Longman , Guy Mardiks , Tomer Maayan , Gaston Solodky

This paper addresses the problem of localizing an unknown number of targets, all having the same radar signature, by a distributed MIMO radar consisting of single antenna transmitters and receivers that cannot determine directions of…

信息论 · 计算机科学 2017-11-07 Sundar Aditya , Andreas F. Molisch , Naif Rabeah , Hatim Behairy

One-bit sampling has emerged as a promising technique in multiple-input multiple-output (MIMO) radar systems due to its ability to significantly reduce data volume and processing requirements. Nevertheless, current detection methods have…

信号处理 · 电气工程与系统科学 2024-04-29 Yu-Hang Xiao , David Ramírez , Lei Huang , Xiao Peng Li , Hing Cheung So

This letter addresses the detection problem of dim maneuvering targets in the presence of range cell migration. Specifically, it is assumed that the moving target can appear in more than one range cell within the transmitted pulse train.…

信号处理 · 电气工程与系统科学 2021-05-05 Sheng Yan , Pia Addabbo , Chengpeng Hao , Danilo Orlando

Invisible units mainly refer to small-scale units that are not monitored by, and thus are not visible to utilities. Integration of these invisible units into power systems does significantly affect the way in which a distribution grid is…

应用统计 · 统计学 2023-12-12 Xing He , Lei Chu , Robert C. Qiu , Qian Ai , Zenan Ling , Jian Zhang

Multiple-input multiple-output (MIMO) radar has become a thriving subject of research during the past decades. In the MIMO radar context, it is sometimes more accurate to model the radar clutter as a non-Gaussian process, more specifically,…

应用统计 · 统计学 2016-03-31 Xin Zhang , Mohammed Nabil El Korso , Marius Pesavento

Target detection is a fundamental task in radar sensing, serving as the precursor to any further processing for various applications. Numerous detection algorithms have been proposed. Classical methods based on signal processing, e.g., the…

信号处理 · 电气工程与系统科学 2024-10-31 Luca Jiang-Tao Yu , Chenshu Wu

In the field of deep learning based computer vision, the development of deep object detection has led to unique paradigms (e.g., two-stage or set-based) and architectures (e.g., Faster-RCNN or DETR) which enable outstanding performance on…

计算机视觉与模式识别 · 计算机科学 2022-10-07 Denis Huseljic , Marek Herde , Mehmet Muejde , Bernhard Sick

A closed-form expression is derived for the generalized likelihood ratio test (GLRT) detector of a subpixel target in a multispectral image whose area and brightness are both unknown. This expression extends a previous result (which assumed…

信号处理 · 电气工程与系统科学 2020-07-27 James Theiler

Range-dependent clutter suppression poses significant challenges in airborne frequency diverse array (FDA) radar, where resolving range ambiguity is particularly difficult. Traditional space-time adaptive processing (STAP) techniques used…

信号处理 · 电气工程与系统科学 2024-07-16 Wanghan Lv , Kumar Vijay Mishra

We study the problem of detecting an abrupt change to the signal covariance matrix. In particular, the covariance changes from a "white" identity matrix to an unknown spiked or low-rank matrix. Two sequential change-point detection…

统计理论 · 数学 2017-06-16 Liyan Xie , Yao Xie

Detecting the presence of subspace signals with unknown clutter (or interference) is a widely known difficult problem encountered in various signal processing applications. Traditional methods fails to solve this problem because they…

信息论 · 计算机科学 2015-12-17 Hailong Shi , Hao Zhang , Xiqin Wang

In this paper, scanning for target detection, and multi-target tracking in a cognitive radar system are considered, and adaptive radar resource management is investigated. In particular, time management for radar scanning and tracking of…

信号处理 · 电气工程与系统科学 2025-07-08 Ziyang Lu , M. Cenk Gursoy , Chilukuri K. Mohan , Pramod K. Varshney

We propose a learning-based method for adaptively generating low probability of detection (LPD) radar waveforms that blend into their operating environment. Our waveforms are designed to follow a distribution that is indistinguishable from…

信号处理 · 电气工程与系统科学 2025-02-25 Matthew R. Ziemann , Christopher A. Metzler

This paper studies recursive composite hypothesis testing in a network of sparsely connected agents. The network objective is to test a simple null hypothesis against a composite alternative concerning the state of the field, modeled as a…

信息论 · 计算机科学 2017-02-23 Anit Kumar Sahu , Soummya Kar